Try and practice the latest Huawei : H31-311-ENU real questions & answers
Updated: Jul 09, 2026
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Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
1. Which of the following bytes can be used for the orderwire phone between two REG devices?
A) E1
B) E2
C) E1 and E2
D) None of the above
2. Which of the following statements about the optical-layer interfaces OTM-n.m and OTM-nr.m of OTN is incorrect?
A) m indicates the rate. The value can be 1, 2, or 3.
B) r indicates OTM without the OSC function..
C) n indicates the number of wavelengths carried by the maximum capacity,
D) OTM-nr.m with OSC signals is OTM-n.m.
3. The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.
A) TRUE
B) FALSE
4. When a fiber cut test is performed on a normal MSP ring, which of the following alarms is reported? (Multiple Choice)
A) R-LOS
B) BD STATUS
C) APSJNDI
D) TU-AIS
5. An unprotected chain consists of four NEs: NE1, NE2, NE3, and NE4. An end-to-end VC4 trail NE1-NE4 is created, and NE5 is added between NE2 and NE3 for capacity expansion. The original configuration remains unchanged, and no service is configured on NE5. In this case, the unprotected chain becomes NE1-NE2-NE5-NE3-NE4, and how many VC4 trails can be searched out?
A) 1
B) 0
C) 2
D) 3
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: A,C | Question # 5 Answer: C |
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